<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#afafaf"></uni-icons>
		<button type="primary" class="btn-login" @click="getUserInfo">一键登录</button>
		<view class="tips-text">登录后尽享更多权益</view>
	</view>
</template>

<script>
	import {mapMutations, mapState} from 'vuex'
	export default {
		name:"my-login",
		data() {
			return {
				// userinfo: ''
			};
		},
		computed: {
			...mapState('m_user', ['redirectInfo'])
		},
		methods: {
			...mapMutations('m_user', ['updateUserInfo', 'updataToken', 'updateRedirectInfo']),
			getUserInfo(e){
				// console.log('e', e)
				// if(e.detail.errMsg === 'getUserInfo: fail auth deny') return uni.$showMsg('您取消了登录授权！')
				// console.log(e.detail)
				uni.getUserProfile({
					lang: 'zh_CN',
					desc: '授权登录该小程序!',
					success: (userinfo) => {
						uni.$showMsg('登录成功！')
						this.updateUserInfo(userinfo)
						// this.userinfo = userinfo
						// console.log('userinfo-----', userinfo)
						this.getToken(userinfo)
					},
					fail: () => {
						uni.$showMsg('您取消了登录授权！')
					}
				})
				
			},
			async getToken(user){
				const [err, res] = await uni.login().catch(err => err)
				if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败')
				
				// 准确登录接口的请求参数
				const query = {
					code: res.code,
					encryptedData: user.encryptedData,
					iv: user.iv,
					rawData: user.rawData,
					signature: user.signature
				}
				// console.log(query)
				// 使用登录接口登录，目前登录接口用不了了，返回的状态码都是400
				const {data: loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				// console.log(loginResult)
				// if (loginResult.meta.status !== 200) return uni.$showMsg('接口登录失败！')
				// uni.$showMsg('登录成功')
				// this.updateToken(loginResult.message.token)
				
				// 重定向回去，核心思路：1、判断 vuex 中的 redirectInfo 是否为 null；2、如果不为 null，则登录成功之后，需要重新导航到对应的页面
				this.navigateBack()
			},
			navigateBack(){
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
					uni.switchTab({
						url: this.redirectInfo.from,
						complete: () => {
							this.updateRedirectInfo(null)
						}
					})
				}
			}
		}
	}
</script>

<style lang="scss">
.login-container {
	height: 750rpx;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background-color: #f8f8f8;
	position: relative;
	overflow: hidden;
	
	&::after {
		content: '';
		display: block;
		width: 100%;
		height: 40px;
		background-color: white;
		position: absolute;
		bottom: 0;
		left: 0;
		border-radius: 100%;
		transform: translateY(50%);
	}
	
	.btn-login {
		width: 90%;
		border-radius: 36px;
		margin: 15px 0;
		background-color: #fb553c;
	}
	.tips-text {
		font-size: 12px;
		color: gray;
	}
	
}
</style>